Journal article Open Access

Risk Based Maintenance Planning for Loading Equipment in Underground Hard Rock Mine: Case Study

Sidharth Talan; Devendra Kumar Yadav; Yuvraj Singh Rajput; Subhajit Bhattacharjee

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  <identifier identifierType="DOI">10.5281/zenodo.1316448</identifier>
      <creatorName>Sidharth Talan</creatorName>
      <creatorName>Devendra Kumar Yadav</creatorName>
      <creatorName>Yuvraj Singh Rajput</creatorName>
      <creatorName>Subhajit Bhattacharjee</creatorName>
    <title>Risk Based Maintenance Planning for Loading Equipment in Underground Hard Rock Mine: Case Study</title>
    <subject>Bubble matrix analysis</subject>
    <subject>pareto chart analysis</subject>
    <subject>spares consumption matrix</subject>
    <subject>critical alarms checklist.</subject>
    <date dateType="Issued">2018-03-01</date>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
    <alternateIdentifier alternateIdentifierType="url"></alternateIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.5281/zenodo.1316447</relatedIdentifier>
    <rights rightsURI="">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
    <description descriptionType="Abstract">&lt;p&gt;Mining industry is known for its appetite to spend sizeable capital on mine equipment. However, in the current scenario, the mining industry is challenged by daunting factors of non-uniform geological conditions, uneven ore grade, uncontrollable and volatile mineral commodity prices and the ever increasing quest to optimize the capital and operational costs. Thus, the role of equipment reliability and maintenance planning inherits a significant role in augmenting the equipment availability for the operation and in turn boosting the mine productivity. This paper presents the Risk Based Maintenance (RBM) planning conducted on mine loading equipment namely Load Haul Dumpers (LHDs) at Vedanta Resources Ltd subsidiary Hindustan Zinc Limited operated Sindesar Khurd Mines, an underground zinc and lead mine situated in Dariba, Rajasthan, India. The mining equipment at the location is maintained by the Original Equipment Manufacturers (OEMs) namely Sandvik and Atlas Copco, who carry out the maintenance and inspection operations for the equipment. Based on the downtime data extracted for the equipment fleet over the period of 6 months spanning from 1&lt;sup&gt;st&lt;/sup&gt; January 2017 until 30&lt;sup&gt;th&lt;/sup&gt; June 2017, it was revealed that significant contribution of three downtime issues related to namely Engine, Hydraulics, and Transmission to be common among all the loading equipment fleet and substantiated by Pareto Analysis. Further scrutiny through Bubble Matrix Analysis of the given factors revealed the major influence of selective factors namely Overheating, No Load Taken (NTL) issues, Gear Changing issues and Hose Puncture and leakage issues. Utilizing the equipment wise analysis of all the downtime factors obtained, spares consumed, and the alarm logs extracted from the machines, technical design changes in the equipment and pre shift critical alarms checklist were proposed for the equipment maintenance. The given analysis is beneficial to allow OEMs or mine management to focus on the critical issues hampering the reliability of mine equipment and design necessary maintenance strategies to mitigate them.&lt;/p&gt;</description>
    <description descriptionType="Other">{"references": ["Mines 2016-Review of global trends in the mining industry; Pricewaterhouse Coopers; 2016.", "Dhillon B. S.; Mining Equipment Reliability, Maintainability and Safety; Chapter 6- Mining Equipment Maintainability; Springer Publications; 2008.", "Brown S. J. and May I. L., Risk-based hazardous protection and prevention by inspection and maintenance, Trans. ASME J. Press. Ves. Technol. 122 (2003) 362\u2013367.", "Krellis O., Singleton T.; Mine Maintenance-The cost of operation; Coal Operators' Conference; University of Wollongong; 1998.", "Anuraj N. S. and Maiti J., Risk-based maintenance-Techniques and applications; Journal of Hazardous Materials, 2006.", "Sakai S.; Risk-based Maintenance; Special feature Article, University of Tokyo; JR East Technical Review No-17; 2010.", "Khan F. I., Haddara M., Risk-based maintenance (RBM): a quantitative approach for maintenance/inspection scheduling and planning, J. Loss Prevent. Process Ind. 16 (2003) 561\u2013573.", "Selvik J. T., Aven T.; A framework for reliability and risk centered maintenance; Reliability Engineering &amp; System Safety; Vol 96 Issue 2; 2011."]}</description>
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